Two rumored high-definition ports of PlayStation 2 games, bound for the PlayStation 3, look less like rumors today. Supposed box art for Mortal Kombat HD Arcade Kollection and Prince of Persia 3D Trilogy has apparently been outed by retailers.

Both compilations, previously leaked by retail listings, boast stereoscopic 3D support on their box arts, as reported by French gaming web site JeuxVideo. A handful of online retailers, from GameStop in the U.S. to GAME in the U.K., have added, then removed Mortal Kombat HD listings for their systems.

The Mortal Kombat compilation from Warner Bros. looks to feature the three games previously rumored, Mortal Kombat, Mortal Kombat II and Ultimate Mortal Kombat 3, as well as a demo of next year's Mortal Kombat reboot. Ubisoft's collection packs in Prince of Persias The Sands of Time, Warrior Within and The Two Thrones.

The latest issue of Japanese games mag Famitsu confirms what we've been expecting for a long,…
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While Warner Bros. and Ubisoft have yet to officially announce any of these re-releases, we can confirm that if these box art leaks are genuine, that minimal effort is being exerted for their cover art.